Alaska Airlines offers 32” legroom in Main Cabin, ideal for medium-haul comfort.
Alaska Airlines provides flat-fee Wi-Fi, perfect for staying productive on longer flights.
Round-trip from | $169 (Frontier) |
---|---|
One-way from | $98 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $293 |
Good round-trip deal | $256 or less |
Good one-way deal | $162 or less |
Fly from
Fly to
Route
Depart
Return
Price
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Thu 10/16
5:10 am-12:07 pm
1 stop8h 57m
Seattle/Tacoma Intl
Mon 10/20
10:16 am-4:13 pm
Nonstop3h 57m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Fri 10/31
6:09 pm-8:35 pm
Nonstop4h 26m
Seattle/Tacoma Intl
Tue 11/4
1:40 pm-7:46 pm
Nonstop4h 06m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 9/17
7:45 am-10:59 pm
1 stop17h 14m
Seattle/Tacoma Intl
Tue 9/23
7:00 am-11:15 am
1 stop26h 15m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 8/20
6:30 pm-11:01 pm
1 stop6h 31m
Seattle/Tacoma Intl
Wed 8/27
6:41 am-8:16 pm
1 stop11h 35m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sat 10/4
2:22 pm-8:39 pm
1 stop8h 17m
Seattle/Tacoma Intl
Mon 10/6
6:12 am-9:09 am
1 stop24h 57m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Wed 8/20
6:30 pm-11:01 pm
1 stop6h 31m
Seattle/Tacoma Intl
Mon 8/25
4:40 pm-9:20 am
1 stop14h 40m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sun 8/31
6:15 am-8:32 am
Nonstop4h 17m
Seattle/Tacoma Intl
Sat 9/6
6:00 am-12:02 pm
Nonstop4h 02m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sun 8/31
6:15 am-8:32 am
Nonstop4h 17m
Seattle/Tacoma Intl
Mon 9/8
12:58 am-7:00 am
Nonstop4h 02m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sun 8/31
6:15 am-8:32 am
Nonstop4h 17m
Seattle/Tacoma Intl
Sat 9/6
6:00 am-12:02 pm
Nonstop4h 02m
DallasSeattle
DFW - SEA
DFWSEA
Dallas/Fort Worth
Sun 8/31
6:15 am-8:32 am
Nonstop4h 17m
Seattle/Tacoma Intl
Wed 9/3
5:56 pm-11:59 pm
Nonstop4h 03m
Booking 47 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Seattle (average of $238). Flying from Dallas/Fort Worth Airport to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Dallas/Fort Worth Airport to Seattle at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from DFW to SEA are scheduled on a Wednesday (61 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (25 on average).
Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Dallas/Fort Worth Airport to Seattle on Cheapflights.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $164.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 7h 30m.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 46m.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Anonymous,Jul 2025
EUG - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$71 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$76 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$120 | Average$279 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$130 | Average$284 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$184 | Average$326 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$187 | Average$321 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$188 | Average$338 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$238 | Average$371 | FlexibilityNo cancel fee | On-time69% |